xref: /titanic_50/usr/src/lib/fm/topo/modules/sun4v/sun4vpi/pi_niu.c (revision 908f1e1388f616898b4e515d343c0414f2a6472e)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * Create a topology node for a PRI node of type 'niu'
31  */
32 #include <sys/types.h>
33 #include <strings.h>
34 #include <sys/fm/protocol.h>
35 #include <fm/topo_mod.h>
36 #include <fm/topo_hc.h>
37 #include "pi_impl.h"
38 
39 #define	_ENUM_NAME	"enum_niu"
40 
41 
42 /* ARGSUSED */
43 int
pi_enum_niu(topo_mod_t * mod,md_t * mdp,mde_cookie_t mde_node,topo_instance_t inst,tnode_t * t_parent,const char * hc_name,tnode_t ** t_node)44 pi_enum_niu(topo_mod_t *mod, md_t *mdp, mde_cookie_t mde_node,
45     topo_instance_t inst, tnode_t *t_parent, const char *hc_name,
46     tnode_t **t_node)
47 {
48 	int		result;
49 
50 	*t_node = NULL;
51 
52 	topo_mod_dprintf(mod,
53 	    "%s node_0x%llx enumeration starting\n", _ENUM_NAME,
54 	    (uint64_t)mde_node);
55 
56 	/* Make sure our dependent modules are loaded */
57 	if (topo_mod_load(mod, NIU, TOPO_VERSION) == NULL) {
58 		topo_mod_dprintf(mod, "%s could not load %s module: %s\n",
59 		    _ENUM_NAME, NIU, topo_strerror(topo_mod_errno(mod)));
60 		return (-1);
61 	}
62 
63 	/*
64 	 * Invoke the niu enumerator for this node.
65 	 */
66 	result = topo_mod_enumerate(mod, t_parent, NIU, hc_name, inst, inst,
67 	    NULL);
68 	if (result != 0) {
69 		topo_mod_dprintf(mod,
70 		    "%s node_0x%llx enumeration failed: %s\n", _ENUM_NAME,
71 		    (uint64_t)mde_node, topo_strerror(topo_mod_errno(mod)));
72 		return (-1);
73 	}
74 
75 	topo_mod_dprintf(mod, "%s added node_0x%llx type %s\n",
76 	    _ENUM_NAME, (uint64_t)mde_node, hc_name);
77 
78 	return (0);
79 }
80